roll: third_party/pigweed 55ce0a1..3a66b5c (2 commits)

3a66b5c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/364094 pw_async2: Update SelectFuture to new model
9e6c394:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/363672 pw_ide: Fix project root inference to not look in subdir

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 55ce0a1267ada7..3a66b5cc67569a
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8692568003634034225
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I49c31d1a11530e36904468710624bcaf4665533d
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/364413
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 55ce0a1..3a66b5c 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 55ce0a1267ada7bf6319d028ba829d354d9fa612
+Subproject commit 3a66b5cc67569a8cbd089194b1550fea8ced578a